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Contract OI history

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Dec 18, 2026 EXPIRATION

MRNA $28.00 Put

MRNA261218P00028000

Latest saved OI716Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MRNA $28.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7163580 2026-10-09: 715 OI2026-10-13: 715 OI2026-10-14: 715 OI2026-10-15: 715 OI2026-10-16: 715 OI2026-10-21: 715 OI2026-10-23: 716 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MRNA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing716+1
Oct 21, 20267150
Oct 16, 20267150
Oct 15, 20267150
Oct 14, 20267150
Oct 13, 20267150
Oct 09, 2026715No prior observation